Map mashups, which can be created for free at Web sites such as Google and Yahoo, have wide potential as a communications tool.

As an example of how map mashups can tell a story, the office of Sen. Ben Nelson (D-NE) created a mashup of his late-April trip to Iraq. It provided a timeline of stopovers, their location on maps, and photos, brief descriptions, and links to YouTube of speeches and other public appearances during the trip.

FortiusOne VP of marketing Jim ...